The 2005 Alabama Crimson Tide football team represented the University of Alabama during the 2005 NCAA Division I-A football season. This was the team's 73rd season in the SEC. The 2005 squad collected a record of 10–2 under coach Mike Shula. The team started off the season at 9–0, notching wins over Florida and Tennessee. The team lost their final two regular season games against LSU and Auburn. The Crimson Tide received a bid to the 2006 Cotton Bowl Classic against Texas Tech, where they defeated the Red Raiders on a last-second field goal by Jamie Christensen.

The 2005 NCAA Division I-A football season was the highest level of college football competition in the United States organized by the National Collegiate Athletic Association (NCAA). The regular season began on September 1, 2005 and ended on December 3, 2005. The postseason concluded on January 4, 2006 with the Rose Bowl, which served as the season's BCS National Championship Game.